Let's go with guerilla installation of AbiWord. Install AbiWord everywhere on Windows machine (with approval of course) or just use it from a USB thumb drive. Here is the announcement I'm reposting:

From: <cspurrier_at_craigweb.net>
Date: Sat Jan 22 2005 - 21:17:29 CET

Announcing AbiWord for Thumb Drives (an unofficial version)

AbiWord for Thumb Drives for Windows is an unofficial
modified version designed for use on USB Thumb/Pen Drives. It was created by
Craigweb. AbiWord for Thumb Drives is based off of AbiWord 2.2.3.

Download it at http://sourceforge.net/projects/abiwordftd/

I haven't tested it personnaly. Have fun.

Source: abiword-user mailing list.